Munin contributed plugins

#!/bin/sh

# ZFS ARC statistics for FreeBSD

# Author alex@trull.org:

#

#%# family=auto

#%# capabilities=autoconf

sysctl='/sbin/sysctl'

case $1 in

    config)

	cat <<EOF

graph_title ZFS ARC Counters

graph_vlabel per second

graph_scale no

graph_category fs

graph_args -l 0

graph_info FreeBSD ZFS ARC Utilisation - Counters

EOF

$sysctl kstat.zfs.misc.arcstats.hits kstat.zfs.misc.arcstats | awk '/hits/ || /miss/ || /hash/ || /deleted/ || /evict/ { { FS = "[.:]" } { displayname = $5; gsub("_"," ",displayname) } {print $5".label "displayname"\n"$5".type DERIVE\n"$5".min 0"} }' | grep -v "^\."

	exit 0

	;;

    autoconf)

	if [ ! -x ${sysctl} ]; then

	    echo "no (${sysctl} is not executable)"

	    exit 0

	fi

	ostype=`uname -s`

	if [ ${ostype} = "FreeBSD" ]; then

	    echo "yes"

	else

	    echo "no (Your OS is not supported by this plugin)"

	fi

	exit 0

	;;

    suggest)

	exit 0

	;;

esac

$sysctl kstat.zfs.misc.arcstats.hits kstat.zfs.misc.arcstats |  awk '/hits/ || /miss/ || /hash/ || /deleted/ || /evict/ { { FS = "[.:]" } { displayname = $5; gsub("_"," ",displayname) } {print $5".value",$NF} }' | grep -v "^\."